Scotsman FDE474 - Manual (Page 20)

Service Diagnosis
FDE474
March 2000
Page 20
PROBLEM POSSIBLE CAUSE PROBABLE CORRECTION
No ice is dispensed. No ice in bin due to:
· No electrical power
Check/restore power
· Overuse
Recheck ice needs vs. machine
capacity.
· Water supply turned off
Check water filter/hand valve/float
valve
· Bin controls dirty
Check & clean bin control (electric
eyes)
· Water sensor dirty
Check & clean water sensor
· Control system malfunction
Check control system
· Auger drive motor open
Check auger drive motor
· Centrifugal switch open
Check centrifugal switch
· Auger does not turn
Check coupling & gear reducer
· No refrigeration
Check refrigeration system
Ice in bin, but will not dispense:
Drive motor does not turn
· Vend switch does not close
Check/replace vend switch
· Dispense motor open
Check/replace dispense motor
· Dispense output shaft broken
Check/replace output shaft
Ice in bin, motor turns vane.
Ice jammed up
· Users held cup against
dispense spout and jammed
unit.
Advise owner/manager to instruct
users.
· Bin bottom slot not over spout Check bin bottom position
· Ice will not slide down bin wall,
bin out of round.
Check bin interior wall for rough
texture or out of round.
· Sink height too small for
container used
Install sink extension kit
· Wet ice in the bin from high
water level or high suction
pressure
Check water level, check suction
and discharge pressures